Bulgaria [Bulgaria]
- min:
- 3.65
- max:
- 5.022
- avg:
- 4.2
- σ:
- 0.579
| Period | Value |
|---|
| 1973 | 4.790884971618652 |
| 1974 | 4.815605640411377 |
| 1975 | 4.851558685302734 |
| 1976 | 4.856125831604004 |
| 1977 | 4.869067668914795 |
| 1978 | 4.881699562072754 |
| 1979 | 4.900765419006348 |
| 1980 | 4.9061598777771 |
| 1981 | 4.936944007873535 |
| 1982 | 4.95585823059082 |
| 1983 | 4.976344585418701 |
| 1984 | 4.979601860046387 |
| 1985 | 4.995141983032227 |
| 1986 | 4.992922782897949 |
| 1987 | 5.0159478187561035 |
| 1988 | 5.021988868713379 |
| 1989 | 5.005125045776367 |
| 1990 | 3.7987685203552246 |
| 1991 | 3.8178086280822754 |
| 1992 | 3.8405776023864746 |
| 1993 | 3.7408664226531982 |
| 1994 | 3.7507548332214355 |
| 1995 | 3.7501776218414307 |
| 1996 | 3.69985032081604 |
| 1997 | 3.6502389907836914 |
| 1998 | 3.677591323852539 |
| 1999 | 3.6875412464141846 |
| 2000 | 3.693114757537842 |
| 2001 | 3.7062456607818604 |
| 2002 | 3.720414638519287 |
| 2003 | 3.723416805267334 |
| 2004 | 3.72231388092041 |
| 2005 | 3.7183785438537598 |
| 2006 | 3.728088617324829 |
| 2007 | 3.7464184761047363 |
| 2008 | 3.755148410797119 |
| 2009 | 3.771170139312744 |
| 2010 | 3.7534868717193604 |
| 2011 | 3.737114191055298 |
| 2012 | 3.747924566268921 |
| 2013 | 3.747169256210327 |
| 2014 | 3.760417938232422 |
| 2015 | 3.7955925464630127 |
| 2016 | 3.8044416904449463 |